
Topper
Topper is a fiat on-ramp and off-ramp for buying and selling 200+ cryptocurrencies, built by Uphold.

What is Topper?
Topper lets users buy and sell more than 200 cryptocurrencies straight to or from a self-custodial wallet. Payments include Apple Pay, Google Pay, PayPal, Venmo, debit and credit cards, PIX, and SEPA transfers, and off-ramps cash out to Visa or Mastercard debit cards in the US and Europe. The product is operated by Uphold's regulated infrastructure.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

